Home / 6,783.60-9,359.28-3,798.96

Finding the Fourth Proportional to 6,783.60, 9,359.28 and 3,798.96

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Solution

The fourth proportional to 6,783.60, 9,359.28 and 3,798.96 is: 5,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.60 : 9,359.28 = 3,798.96 : x
  2. Step 2: Convert to fraction form
    6,783.60/9,359.28 = 3,798.96/x
  3. Step 3: Cross multiply
    6,783.60x = 9,359.28 × 3,798.96
  4. Step 4: Simplify right side
    6,783.60x = 35,555,530.35
  5. Step 5: Solve for x
    x = 35,555,530.35/6,783.60
  6. Step 6: Final answer
    x = 5,241.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.